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      <marc:subfield code="a">Rao, S. S. </marc:subfield>
      <marc:subfield code="q">(Salem S.), </marc:subfield>
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      <marc:subfield code="e">author.</marc:subfield>
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      <marc:subfield code="a">Method for measuring toxicity of suspended particulates in waters / </marc:subfield>
      <marc:subfield code="c">by S.S. Rao and K.K. Kwan.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Burlington, Ontario, Canada : </marc:subfield>
      <marc:subfield code="b">National Water Research Institute, Rivers Research Branch, Canada Centre for Inland Waters, </marc:subfield>
      <marc:subfield code="c">April 1989.</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
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      <marc:subfield code="a">"RRB-89-26."</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
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      <marc:subfield code="a">"A protocol for testing toxicant activity of different fractions of suspended particulates in waters is outlined. The importance of this procedure is that it provides information on toxicant activity of a specific particulate fraction which modellers can use to develop toxicant transport models"--Management perspective.</marc:subfield>
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      <marc:subfield code="a">Includes management perspective in English and French.</marc:subfield>
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      <marc:subfield code="a">Kwan, K. K., </marc:subfield>
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      <marc:subfield code="a">National Water Research Institute (Canada). </marc:subfield>
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      <marc:subfield code="a">Canada Centre for Inland Waters.</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ;</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-89-102-eng.pdf</marc:subfield>
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